update vmtool command tutorials

tutorials/katacoda/command-vmtool-cn/vmtool-classloader.md

@@ -3,9 +3,8 @@
 
 ### 指定 classloader name
 
-```bash
-vmtool --action getInstances --classLoaderClass org.springframework.boot.loader.LaunchedURLClassLoader --className org.springframework.context.ApplicationContext
-```
+
+`vmtool --action getInstances --classLoaderClass org.springframework.boot.loader.LaunchedURLClassLoader --className org.springframework.context.ApplicationContext`{{execute T2}}
 
 
 ### 指定 classloader hash

tutorials/katacoda/command-vmtool-cn/vmtool-gc.md

@@ -1,6 +1,7 @@
 
 ### 强制GC
 
-```bash
-vmtool --action forceGc
-```
+
+`vmtool --action forceGc`{{execute T2}}
+
+

tutorials/katacoda/command-vmtool-cn/vmtool-spring.md

@@ -2,6 +2,8 @@
 
 ### 查找spring context
 
+`vmtool --action getInstances --className org.springframework.context.ApplicationContext `{{execute T2}}
+
 ```bash
 $ vmtool --action getInstances --className org.springframework.context.ApplicationContext 
 @ApplicationContext[][
@@ -15,9 +17,7 @@ $ vmtool --action getInstances --className org.springframework.context.Applicati
 
 > 通过 `-x`/`--expand` 参数可以指定结果的展开层次，默认值是1。
 
-```bash 
-vmtool --action getInstances -c 19469ea2 --className org.springframework.context.ApplicationContext -x 2
-```
+`vmtool --action getInstances --className org.springframework.context.ApplicationContext -x 2`{{execute T2}}
 
 ### 执行表达式
 
@@ -25,12 +25,15 @@ vmtool --action getInstances -c 19469ea2 --className org.springframework.context
 
 查找所有的spring beans名字：
 
-```bash
-vmtool --action getInstances --className org.springframework.context.ApplicationContext --express 'instances[0].getBeanDefinitionNames()'
-```
+
+`vmtool --action getInstances --className org.springframework.context.ApplicationContext --express 'instances[0].getBeanDefinitionNames()'`{{execute T2}}
+
 
 调用`userController.findUserById(1)`函数：
 
+
+`vmtool --action getInstances --className org.springframework.context.ApplicationContext --express 'instances[0].getBean("userController").findUserById(1)'`{{execute T2}}
+
 ```
 $ vmtool --action getInstances --className org.springframework.context.ApplicationContext --express 'instances[0].getBean("userController").findUserById(1)'
 @User[
@@ -41,6 +44,9 @@ $ vmtool --action getInstances --className org.springframework.context.Applicati
 
 ### 查找所有的spring mapping对象
 
+
+`vmtool --action getInstances --className org.springframework.web.servlet.HandlerMapping`{{execute T2}}
+
 ```bash
 $ vmtool --action getInstances --className org.springframework.web.servlet.HandlerMapping
 @HandlerMapping[][

tutorials/katacoda/command-vmtool-cn/vmtool.md

@@ -5,6 +5,8 @@
 
 ### 查找jvm里的字符串对象
 
+`vmtool --action getInstances --className java.lang.String`{{execute T2}}
+
 ```bash
 $ vmtool --action getInstances --className java.lang.String
 @String[][

tutorials/katacoda/command-vmtool-en/vmtool-classloader.md

@@ -1,9 +1,6 @@
 ### Specify classloader name
 
-```bash
-vmtool --action getInstances --classLoaderClass org.springframework.boot.loader.LaunchedURLClassLoader --className org.springframework.context.ApplicationContext
-```
-
+`vmtool --action getInstances --classLoaderClass org.springframework.boot.loader.LaunchedURLClassLoader --className org.springframework.context.ApplicationContext`{{execute T2}}
 
 ### Specify classloader hash
 

tutorials/katacoda/command-vmtool-en/vmtool-gc.md

@@ -1,6 +1,4 @@
 
 ### forceGc
 
-```bash
-vmtool --action forceGc
-```
+`vmtool --action forceGc`{{execute T2}}

tutorials/katacoda/command-vmtool-en/vmtool-spring.md

@@ -2,6 +2,8 @@ Next, use the `vmtool` command to find objects in spring.
 
 ### Find spring context
 
+`vmtool --action getInstances --className org.springframework.context.ApplicationContext `{{execute T2}}
+
 ```bash
 $ vmtool --action getInstances --className org.springframework.context.ApplicationContext
 @ApplicationContext[][
@@ -15,9 +17,7 @@ $ vmtool --action getInstances --className org.springframework.context.Applicati
 
 > The expansion level of the result can be specified by the `-x`/`--expand` parameter, the default value is 1.
 
-```bash
-vmtool --action getInstances -c 19469ea2 --className org.springframework.context.ApplicationContext -x 2
-```
+`vmtool --action getInstances --className org.springframework.context.ApplicationContext -x 2`{{execute T2}}
 
 ### Execute expression
 
@@ -25,11 +25,11 @@ vmtool --action getInstances -c 19469ea2 --className org.springframework.context
 
 Find the names of all spring beans:
 
-```bash
-vmtool --action getInstances --className org.springframework.context.ApplicationContext --express'instances[0].getBeanDefinitionNames()'
-```
+`vmtool --action getInstances --className org.springframework.context.ApplicationContext --express 'instances[0].getBeanDefinitionNames()'`{{execute T2}}
 
-Call the `userController.findUserById(1)` function:
+Call the `userController.findUserById(1)` method:
+
+`vmtool --action getInstances --className org.springframework.context.ApplicationContext --express 'instances[0].getBean("userController").findUserById(1)'`{{execute T2}}
 
 ```
 $ vmtool --action getInstances --className org.springframework.context.ApplicationContext --express'instances[0].getBean("userController").findUserById(1)'
@@ -41,6 +41,8 @@ $ vmtool --action getInstances --className org.springframework.context.Applicati
 
 ### Find all spring mapping objects
 
+`vmtool --action getInstances --className org.springframework.web.servlet.HandlerMapping`{{execute T2}}
+
 ```bash
 $ vmtool --action getInstances --className org.springframework.web.servlet.HandlerMapping
 @HandlerMapping[][

tutorials/katacoda/command-vmtool-en/vmtool.md

@@ -6,6 +6,8 @@ Use the `vmtool` command to find the jvm object.
 
 ### Find string objects in jvm
 
+`vmtool --action getInstances --className java.lang.String`{{execute T2}}
+
 ```bash
 $ vmtool --action getInstances --className java.lang.String
 @String[][